changelog: add message on IsNullable Field flag

grafin · oleg-jukovec · commit 00a9e43c235a · 2023-06-14T00:28:51.000+03:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,7 @@ Versioning](http://semver.org/spec/v2.0.0.html) except to the first release.
 
 - Type() method to the Request interface (#158)
 - Enumeration types for RLimitAction/iterators (#158)
+- IsNullable flag for Field (#302)
 
 ### Changed
 
